Posted on December 09, 2002 at 11:19 Yes Terry Some ST MCU can work in both in concurrent or nested mode. In concurrent mode interrupt can't be interrupted by another however nested mode allow the interruption . Be care full of stack ...

Posted on December 03, 2002 at 06:02 TLI means Top Level Interrupt. Each interrupt has it's own priority (software and hardware priority) and the TLI is the highest .